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What is the difference between '>' and a space in CSS selectors?
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> is the child selector. It specifies only immediate child elements and not any descendant (including grandchildren, grand-grandchildren etc.) as in the second example without the >.
The child selector is not supported by IE 6 and lower. A great compatibility table is here.
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Is there a way to get a collection of all the Models in your Rails app?
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EDIT: Look at the comments and other answers. There are smarter answers than this one! Or try to improve this one as community wiki.
Models do not register themselves to a master object, so no, Rails does not have the list of models.
But you could st...
Tool for comparing 2 binary files in Windows [closed]
...ndows, it will either appear not to start, or will very briefly show a command prompt window, which quickly disappears. Open up a command prompt and run the program from there to see what arguments it accepts, and then use it from the command prompt accordingly.
– nonoitall
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Java 8 forEach with index [duplicate]
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Once again, Java and its terrible syntax for simple things.
– AFP_555
Nov 4 '17 at 6:38
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Running MSBuild fails to read SDKToolsPath
...ed to properly build my .Net 2.0 based website, when compiling with VS2008 and it's associated tools. I've recently upgraded all the project/solution files to VS2010, and now my build fails with the following error:
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Redis command to get all available keys?
Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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What Git branching models work for you?
...company is currently using a simple trunk/release/hotfixes branching model and would like advice on what branching models work best for your company or development process.
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Find UNC path of a network drive?
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In Windows, if you have mapped network drives and you don't know the UNC path for them, you can start a command prompt (Start → Run → cmd.exe) and use the net use command to list your mapped drives and their UNC paths:
C:\>net use
New connections will be remember...
When is std::weak_ptr useful?
I started studying smart pointers of C++11 and I don't see any useful use of std::weak_ptr . Can someone tell me when std::weak_ptr is useful/necessary?
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nodeJs callbacks simple example
...have already searched for the same on many websites but not able to understand it properly, Please give me a simple example.
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